TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-42 August 9, 2005
Kaaaw sk
ERROR CODE D1514 I/O 24V fuse is open.
Fuse F2 on the 1KP board is open.
Main causes include:
1. Solenoid valve or diode polarity reversed.
2. Current load on the 24 VDC I/O circuit exceeds rating.
3. Short-circuit or ground fault in the 24 VDC I/O harness.
4. Defective 1KP board.
Check components for proper polarity and repair as necessary
.
Ensure the load on the 24 VDC I/O circuit is within rating.
Check the I/O harness and replace as necessary.
Replace fuse F2 on the 1KP board (after cheching for short-circuit).
If the above steps do not correct the problem, replace the 1KP board.
_____________________________________________________________________
ERROR CODE D1515 Mismatch in setting of safety circuit as single/double.
Main causes include:
1. Safety circuit setting between the software and hardware do not match.
2. Defective 1KP board.
Set SW-2 on the 1KP board to ON for a double circuit or OFF for a single circuit
.
In AUX 2021-2 set [2 Line] ON or [1 Line] OFF.
Replace 1KP board.
_____________________________________________________________________
ERROR CODE D1516 Mismatch betw hard/software settings for HOLD backup
time.
Main causes include:
1. The setting that specifies a two second delay before motor power is set OFF when
the RUN/HOLD switch is switched from RUN to HOLD, is not matched between the
software and hardware.
2. Defective 1KP board.
Set SW-1 on the 1KP board to ON for two second delay or OFF no delay
.
In AUX 2021-2 set the delay parameter to [standard] (delay) or [Off] (no delay).
Replace 1KP board.
_____________________________________________________________________